1.0Harvard Gazettehttps://test.news.harvard.edu/gazetteharvardgazettehttps://test.news.harvard.edu/gazette/story/author/harvardgazette/Guiding lights — Harvard Gazetterich600338<blockquote class="wp-embedded-content" data-secret="ljYnDHPgWH"><a href="https://test.news.harvard.edu/gazette/story/2011/11/guiding-lights/">Guiding lights</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://test.news.harvard.edu/gazette/story/2011/11/guiding-lights/embed/#?secret=ljYnDHPgWH" width="600" height="338" title="“Guiding lights” — Harvard Gazette" data-secret="ljYnDHPgWH" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script>
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https://test.news.harvard.edu/gazette/wp-content/uploads/2011/11/light_up_neurons_605.jpg605403In a scientific first that could shed light on how signals travel in the brain and how learning alters neural pathways, scientists at Harvard have created genetically altered neurons that light up as they fire. The work may also lead to speedier drug development.